[vtkusers] ImageReader don't work

[Jeremy Winston]

Stephan Theisen wrote:
> Hi together!
> 
> I've a little problem with my ImageReader. I've a number slices which I 
> will read in as a volume. So I implemented the
> the vtkImageReader function in my programm. But all what I get is a 
> black screen.

A black screen may also be an indication that your
contour filter threshold(s) is(are) outside your
data values.

-Jeremy